This is a stylish corten steel tapered square planter, ideal for adding a contemporary touch to any garden or patio. Its durable weathered finish develops a unique patina over time, blending beautifully with plants like ornamental grasses, lavender, or small shrubs. Built to withstand the elements, this planter offers a sleek and long-lasting solution for modern landscaping. This planter comes with an optional insert to reduce planting height and save soil. Download the instructions. Made from Corten Steel, this planter develops a rusted patina to help protect from corrosion. A base is provided so this can be used as a planter or raised bed. Enjoy the beautiful finish created from the oxidation process, which is perfected in your garden. Corten steel, also known as weathering steel, develops a unique patina, meaning that no two planters are exactly the same, giving you a unique garden piece. Pre-weathered to allow the patina to develop faster, within 6 months of being placed outdoors